MRBS 1.12.2 等保2.0二级整改完整提交

包含：登录失败锁定、90天密码有效期、30分钟会话超时、
强制改密、登录审计日志、屏幕水印、企业背景图、
备案信息固定底部、favicon、登录页JS修复等全部改动

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Browser details (please complete the following information):**
+ - OS: [e.g. iOS]
+ - Browser [e.g. chrome, safari]
+ - Version [e.g. 22]
+
+**Server details (please complete the following information):**
+ - MRBS version [e.g. 1.9.4]
+ - Web server: [e.g. Apache 2.4.48]
+ - OS: [e.g. CentOS 7.9]
+ - PHP version: [e.g. 7.4.23]
+ - Database used: [e.g. MySQL 8.0.26]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: enhancement
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/support-request.md

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+---
+name: Support request
+about: To raise support requests.
+title: ''
+labels: support request
+assignees: ''
+
+---
+
+**Describe the problem you're facing/question you have**
+A clear and concise description of the problem you're facing, or the question you have.
+
+**Browser details (please complete the following information):**
+ - OS: [e.g. iOS]
+ - Browser [e.g. chrome, safari]
+ - Version [e.g. 22]
+
+**Server details (please complete the following information):**
+ - MRBS version [e.g. 1.9.4]
+ - Web server: [e.g. Apache 2.4.48]
+ - OS: [e.g. CentOS 7.9]
+ - PHP version: [e.g. 7.4.23]
+ - Database used: [e.g. MySQL 8.0.26]
+
+**Additional context**
+Add any other context or screenshots about the feature request here.